Domains with DNS TXT v=spf1 a mx include:spf.mailcluster.com.au include:spf.protection.outlook.com -all
There are 81 domains that have DNS TXT set to v=spf1 a mx include:spf.mailcluster.com.au include:spf.protection.outlook.com -all. The top 50 records ordered by domain rank are listed below.